CVE-2021-41864
moderate-risk
Published 2021-10-02
prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.
Do I need to act?
-
0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10
High
LOCAL
/ LOW complexity
Affected Products (18)
Affected Vendors
References (20)
Third Party Advisory
https://security.netapp.com/advisory/ntap-20211029-0004/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5096
Third Party Advisory
https://security.netapp.com/advisory/ntap-20211029-0004/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5096
43
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
0/34 · Minimal
Exposure
19/34 · Moderate